34results about How to "Avoid long term" patented technology

The invention describes methods and apparatus for creating permanent occlusion of body lumens such as the fallopian tubes. The methods and apparatus use non-surgical approaches to deliver permanent implants which create acute occlusion of desired body lumens which resolve to permanent occlusions of the lumens.

The invention discloses a reservoir water quality monitoring device, which comprises a buoyancy tank, a detection tank, a water pumping pipe, a water pump, a water quality testing meter, a water draining pipe and water storage tanks, wherein the buoyancy tank is provided with a location device, the detection tank is arranged in the buoyancy tank, the detection tank is provided with a water inlet pipe and a water outlet pipe, a water outlet switch is arranged on the water outlet pipe, the water pumping pipe is fixed to the buoyancy tank, the upper end of the water pumping pipe is connected with the water inlet pipe, the lower end of the water pumping pipe penetrates out of the buoyancy tank, the water pump is arranged at the lower end of the water pumping pipe, the water quality testing meter is arranged in the detection tank, the water draining pipe is connected with the water outlet pipe, a plurality of branch pipe switches are arranged on the water draining pipe, all the branch pipe switches are connected with the water storage tanks through water draining branch pipes, and all the water storage tanks are lower than the detection tank. The reservoir water quality monitoring device disclosed by the invention can be used for accurately detecting reservoir water quality and timely storing a water body specimen of each period to facilitate redetection.

The invention describes methods and apparatus for creating permanent occlusion of body lumens such as the fallopian tubes. The methods and apparatus use non-surgical approaches to deliver permanent implants which create acute occlusion of desired body lumens which resolve to permanent occlusions of the lumens.

A surface wave chemical detector comprising at least one surface wave substrate, each of said substrates having a surface wave and at least one measurable surface wave parameter; means for exposing said surface wave substrate to an unknown sample of at least one chemical to be analyzed, said substrate adsorbing said at least one chemical to be sensed if present in said sample; a source of radiation for radiating said surface wave substrate with different wavelengths of said radiation, said surface wave parameter being changed by said adsorbing; and means for recording signals representative of said surface wave parameter of each of said surface wave substrates responsive to said radiation of said different wavelengths, measurable changes of said parameter due to adsorbing said chemical defining a unique signature of a detected chemical.

Disclosed is an automated insert feeding system and related methods, capable of removing bulk-packaged items from a tray or other package, and separating the bulk-packaged items individually for distribution into individual packages in high speed reliable fashion. The disclosed systems can also be loaded with multiple packages of the pre-packaged items for automatic feeding into the system which allows human operators to load several packages and allow the system to work unattended, thereby reducing man-hours spend on the process.

The invention discloses a production line for cloth cutting, aims at solving disadvantage that when cutting processing is performed on cloth, mechanical equipment have various problems in actual production to influence the processing quality, and the production efficiency is influenced by material receiving in a manual manner in the prior art and provides the production line for cloth cutting. Theproduction line for cloth cutting sequentially comprises a cloth releasing machine, a cloth strip cutting machine, a cloth block cutting machine and a cloth transferring machine in a cloth moving direction. The production line avoids the cloth from skidding, is beneficial to stably releasing the cloth at a constant speed, prolongs the service life of a hot knife, is beneficial to cutting the cloth, saves the manpower and improves the production efficiency by adopting automatic material receiving and is suitable for being used when the cloth is cut.

The invention discloses a water reservoir water quality detector, which comprises a floating box; a detection box arranged in the floating box, wherein the detection box is provided with a water inlet pipe and a water outlet pipe, and the water outlet pipe is provided with a water outlet switch; a water suction pipe fixed on the floating box, wherein the upper end of the water suction pipe is connected to the water inlet pipe, and the lower end of the water suction pipe penetrates out of the floating box; a water pump arranged on the lower end of the water suction pipe; a water quality detector arranged in the detection box; a water discharging pipe connected to the water outlet pipe, wherein the water discharging pipe is provided with at least a branch pipe switch; and water storage boxes, wherein each branch pipe switch is connected to one water storage box through a water discharging branch pipe, each water storage box is lower than the detection box, each water storage box is provided with a plurality of storage chambers connected in series through water passing pipes from top to bottom, and each water passing pipe is respectively provided with a water passing switch. With the water reservoir water quality detector of the present invention, the water quality of the water reservoir can be accurately detected, and the water body specimen in each time period can be timely stored so as to conveniently re-detect.

The invention discloses a convenient-to-mount hydraulic pipeline repair device. The convenient-to-mount hydraulic pipeline repair device comprises a mounting plate, wherein the two sides of the top surface of the mounting plate are symmetrically and fixedly equipped with U-shaped handles separately. According to the device disclosed by the invention, an arc-shaped plate and a cover body are detachably arranged, so that the cover body can jack the arc-shaped plate to a pipeline damaged part after four hooks are hooked onto a pipeline, and therefore, while bearing impact force of liquid sprayedout from the pipeline damaged hole, the arc-shaped plate transmits the force onto the pipeline through the four hooks, impact pressure borne on a worker is small, and the arc-shaped plate is mounted at the pipeline damaged part conveniently; moreover, a water drainage hole is formed in the arc-shaped plate, so that liquid sprayed out from the pipeline damaged hole at high speed can be discharged from a water drainage tube, and therefore, force of impacting the arc-shaped plate by liquid is reduced, and mounting work of the arc-shaped plate is convenient; meanwhile, liquid sprayed out from thepipeline damaged hole at high speed can be guided to other parts through the water drainage tube, so that a great deal of liquid is not generated on a working site, and therefore, a worker is prevented from being in environment with a great deal of liquid for a long time.

A DNA vaccine suitable for eliciting an immune response against cancer cells comprises a polynucleotide construct operably encoding an a Fra-1 protein, such as a polyubiquitinated human Fra-1 protein, and IL-18, such as human IL-18, in a pharmaceutically acceptable carrier. In a preferred embodiment, the polynucleotide construct is operably incorporated in an attenuated bacterial vector, such as an attenuated Salmonella typhimurium, particularly a doubly attenuated aroA− dam− S. typhimurium. Transformed host cells, methods of inhibiting tumor growth, of vaccinating a patient against cancer, and of delivering genetic material to a mammalian cell in vivo are also described.

A surface wave chemical detector comprising at least one surface wave substrate, each of said substrates having a surface wave and at least one measurable surface wave parameter; means for exposing said surface wave substrate to an unknown sample of at least one chemical to be analyzed, said substrate adsorbing said at least one chemical to be sensed if present in said sample; a source of radiation for radiating said surface wave substrate with different wavelengths of said radiation, said surface wave parameter being changed by said adsorbing; and means for recording signals representative of said surface wave parameter of each of said surface wave substrates responsive to said radiation of said different wavelengths, measurable changes of said parameter due to adsorbing said chemical defining a unique signature of a detected chemical.

The invention discloses a bypass filtration system for filtering impurities in water. The bypass filtration system comprises a water filtering tank and a settling tank arranged on the outer side wallof the water filtering tank, wherein a first water inlet hole is formed in the upper side wall of the water filtering tank, a first water outlet pipe is arranged at the bottom of the water filtering tank, a first through hole is formed in the side wall of the water filtering tank, a second through hole matched with the first through hole is formed in the side wall of the settling tank, a rotatingshaft is arranged on one side, close to the water filtering tank, of the settling tank in the vertical horizontal direction, a foldable filtering assembly is arranged on the side wall of the rotatingshaft, the filtering assembly is located in the water filtering tank in the initial state, the filtering assembly is completely unfolded and blocks the cross section of the water filtering tank, and the part, located in the water filtering tank, of the filtering assembly is folded in the direction close to the settling tank in use. Compared with the prior art, the bypass filtering system providedby the invention has the advantages that by arranging the foldable filtering assembly, impurities deposited on the filtering assembly are transferred into the settling tank, so that the impurities areprevented from being deposited on the filtering assembly to influence the filtering effect.

The invention discloses clinostatism pressure ulcer nursing equipment for the hepatology department. The clinostatism pressure ulcer nursing equipment is put forward aiming at the problem that existing nursing equipment has a poor nursing effect; the clinostatism pressure ulcer nursing equipment comprises a supporting base, the inner wall of the supporting base is provided with a transverse mounting groove, a transverse driving motor is welded to the outside of the supporting base, and a transverse worm is connected to the output end of the driving motor; the end, away from the driving motor,of the worm extends into the mounting groove and is rotatably connected with the inner wall of the mounting groove, multiple vertical threaded rods are rotatably connected to the inner wall of the mounting groove, and worm wheels fixedly sleeve the outer walls of the bottoms of the threaded rods. The clinostatism pressure ulcer nursing equipment is reasonable in structure, the parts of the body ofa patient can be properly adjusted, the situation that a certain part of the body of the patient is in contact with a bed for a long time is avoided, the flexibility is high, a doctor can conveniently examine the patient, and the clinostatism pressure ulcer nursing equipment is high in working performance and practicability and suitable for popularization.

The invention discloses a waste weft yarn intelligent processing device of a water-jet loom. The device comprises a main body bin, a top cover is installed at the top of the main body bin, a servo motor is installed at the center of the top of the top cover, a rotating bin is arranged in the top cover, and a partition plate is installed in the middle of the interior of the rotating bin. Through holes are evenly formed in the bottom of the partition plate, and the output end of the servo motor is in transmission connection with the middle position of the top of the partition plate. Through cooperative use of a collecting assembly, the top cover, filter cotton and the rotating bin, the servo motor is controlled to drive the whole rotating bin to clockwise rotate by 180 degrees, then an electric lifting rod is controlled to be shortened, then an air pump is controlled to suck air, so that waste weft at the top of the first set of filter cotton sequentially passes through a semicircular bin, a telescopic pipe and a connecting pipe and then enters a collecting bin, only the waste weft in the collecting bin needs to be cleaned regularly, treatment of the waste weft through the device does not need to be stopped, and therefore continuous and normal work of the water-jet loom is guaranteed.

The invention discloses a wall-mounted air conditioner indoor unit and an air conditioner. The wall-mounted air conditioner indoor unit comprises an indoor unit body, a fresh air module, a wind wheeland a valve, wherein the fresh air module comprises a shell which is provided with a fresh air inlet, a fresh air outlet and a fresh air channel communicating with the fresh air inlet and the fresh air outlet, the fresh air inlet is used for communicating with the outdoor world, and the fresh air outlet communicates with an air inlet of the indoor unit body; the wind wheel is installed on the fresh air channel; and the valve is installed on the fresh air inlet to open or close the fresh air inlet. According to the wall-mounted air conditioner indoor unit, by arranging the valve at the fresh air inlet of the fresh air module so that opening and closing of the fresh air inlet can be controlled by controlling the valve, accordingly, the fresh air inlet is avoided communicating with the outdoor world for a long time, especially, the inner structure of the fresh air module can be avoided being exposed in cold air for a long time in cold seasons, thus, the fresh air module can be prevented from freezing damage, and the service life of the fresh air module is prolonged.

The invention describes methods and apparatus for creating permanent occlusion of body lumens such as the fallopian tubes. The methods and apparatus use non-surgical approaches to deliver permanent implants which create acute occlusion of desired body lumens which resolve to permanent occlusions of the lumens.

The invention discloses a pollution-free photovoltaic power generation device capable of automatically weeding. The device comprises a supporting shell. An open cavity with an upward opening is formedin the supporting shell. A rotating cavity is formed below the opening cavity. A cantilever shaft is rotationally mounted between the rotating cavity and the opening cavity. A spline shaft is arranged in the cantilever shaft in a spline connection manner. A connecting block is rotationally mounted in the lower end surface of the spline shaft. The photovoltaic panel can clean and wipe the surfaceof the photovoltaic panel within a period of time, and can move into the closed cavity in rainy days to prevent the photovoltaic panel from being in rain for a long time, so that the service life of the photovoltaic panel is prolonged, and rainwater in the rainy days is collected and used for cutting nearby weeds.

The invention discloses building board pouring equipment. The building board pouring equipment comprises a conveying belt used for conveying plate frames; a lifting assembly slidably connected to a transverse guide rail; a pouring device mounted at the output end of the lifting assembly, wherein side transverse moving devices are mounted on the left side and the right side of the pouring device; two groups of lifting arms respectively mounted on the side transverse moving devices and driven by a rotating motor to rotate; and two sets of cleaning devices installed at the output ends of the lifting arms correspondingly.

The invention discloses a liquid subpackaging device for clinical examination, which comprises a main body, a test tube and a filter screen. A hand wheel is arranged above the main body, and the right side of the hand wheel is connected with a first gear. An indented column is arranged below the right side of the gear, and the gear is tightly attached to the indented column. A rubber plate is fixed below the indented column, and the indented column and the rubber plate are bonded by glue. The test tube is installed in the main body, and soft plates are arranged on the left side and the right side of the test tube correspondingly. Springs are connected to the right sides of the soft plates, and the soft plates and the springs are connected by welding. A fixing plate is arranged below the springs, and the fixing plate and the main body are connected by welding. Scales are arranged on the outer surfaces of the soft plates. The filter screen is mounted below the test tube. The liquid subpackaging device for clinical examination is provided with the scales, so that a doctor can make a certain judgment by watching the scales when taking liquid in the test tube, and the doctor can take the liquid more accurately.

The invention discloses an emergency power-off protection device for a computer, which comprises a case and a power-off protection device. The case has a main board, a hard disk, a fixed side plate, a CPU and a fan, and the power-off protection device is installed in the case. The computer's emergency power-off protection device has a simple structure and ingenious design. The battery and the external power supply are connected in parallel with the computer, which can ensure that the battery supplies power to the computer when the external power supply is cut off. When the monitoring module detects that the electricity in the battery is less than 50%, the electromagnet is disconnected from the magnet, and an external power supply is connected to supply power for the battery, which prevents the battery from being connected to the external power supply for a long time and prolongs the service life of the battery. It also prevents the computer from burning out the hard disk in the case of a sudden power failure, and also protects the computer.

The invention discloses a vegetable oil filtering and separating device. The device comprises a main body, a vegetable oil collecting pipe and a supporting block, wherein a rotating motor is arranged above the main body, the right side of the rotating motor is connected with a first gear, a rack column is arranged below the right side of the gear, the gear is tightly attached to the rack column; a vegetable oil filtering plate is fixed to the lower portion of the rack column, the rack column and the vegetable oil filtering plate are bonded through glue, the vegetable oil collecting pipe is installed in the main body, supporting plates are arranged on the left side and the right side of the vegetable oil collecting pipe correspondingly, springs are connected to the right sides of the supporting plates, and the supporting plates and the springs are connected in a welded mode; fixed plates are arranged below the springs and are connected to the main body in a welded mode, a scale strip is arranged on the outer surface of each supporting plate, and the supporting block is installed below the vegetable oil collecting pipe. The vegetable oil filtering and separating device is provided with the scale strip.

The invention discloses an electronic water pump. The electronic water pump comprises a shell, a pump cover and a rear cover plate; the shell comprises a shell cylinder body and a shell upper cover; an upper shaft sleeve hole is formed in the shell upper cover; an upper shaft sleeve is installed in the upper shaft sleeve hole; a rotor shaft of a rotor assembly penetrates through an inner hole of the upper shaft sleeve; a gap water flow channel is formed between the rotor shaft and the upper shaft sleeve; and the two ends of the gap water flow channel are communicate with an impeller cavity anda cooling cavity respectively. Water flow in the impeller cavity flows into the cooling cavity via the gap water flow channel, when water flows through the gap water flow channel, fine gravels between the rotor shaft and the upper shaft sleeve or impurities generated by abrasion can be brought out along the gap water flow channel, and the impurities are prevented from existing in a water film layer between the rotor shaft and the upper shaft sleeve for a long time, so that abrasion between the rotor rotating shaft and a sliding bearing is reduced, and the service life of the electronic waterpump is prolonged.

The invention discloses a treatment bed for the rehabilitation of bedridden patients in the field of medical equipment, which includes an elastic mattress installed on the bed frame, the elastic mattress is composed of several elastic props distributed in a rectangular array, and the elastic props include The oil cylinder installed on the bed frame, the cylinder body of the oil cylinder is fixedly installed on the bed frame, the end of the piston rod of the oil cylinder is processed into a round table, a ball head is fixedly arranged on the round table, and a universal support seat is installed on the ball head. A return spring is set on the rod, and the two ends of the return spring are in contact with the bottom surface of the round table and the top surface of the cylinder body respectively. The oil inlet pipe and the oil return pipe are connected to the side wall of the cylinder body. Both the oil inlet pipe and the oil return pipe are connected to two On the position on-off valve, the present invention alternately controls the partial contact of the human skin with the mattress, so that the partial position of the human skin can be alternately in contact with the air, which has the effect of ventilation, enhances the recovery effect of the patient, and improves the quality of life. It can be used for The patient is recovering.

The invention provides a gene transfected with NK cells and a transfection vector, which belongs to the technical field of gene engineering, and is characterized in that an ICasp9 gene, a T2A gene, anIL15 gene, a T2A gene, an NGFR gene, a T2A gene and a target gene are sequentially connected in series. The gene transfected with the NK cell provided by the invention is connected to a pCMV vector,the vector transfected with the NK cells is obtained; after the vector is transfected with NK cells, drug screening and flow screening are carried out, the NK cell expressing the target gene is obtained, the NK cell expressing the target gene can simultaneously express a switch structure, a suicide reaction can be caused when an inducer is added, the long-term existence of the NK cell expressing IL-15 is prevented, and the intervention can be performed when the 915NGFR cell has the side effect.

Embodiments of the present invention provide a method, network element and system for deleting a user plane tunnel, and relate to the technical field of communication. The method is applied in a communication system. The communication system includes a control plane network element and a user plane network element. There is at least one user plane tunnel between the control plane network element and the user plane network element. The method includes: the control plane network element determines There is a target user plane tunnel that meets the preset conditions in at least one user plane tunnel; the control plane network element sends a request message to the user plane network element, and the request message is used to instruct the user plane network element to delete the target user plane tunnel; the user plane network element Delete the target user plane tunnel according to the request message. In the solution of the embodiment of the present invention, for the scenario where the control plane and the user plane are separated, a technical solution is provided to delete the user plane tunnel between the control plane network element and the user plane network element, so that the user plane tunnel can be used when it is not needed to save resources.

The invention discloses a tobacco weighing and packing method by two hydraulic systems and a tobacco weighing and packing machine, and relates to the technical field of metering and packing in tobacco industries. The tobacco weighing and packing machine consists of a stander 14, a packing component, a tobacco weighing barrel 11, a weighing component and an operating component, wherein the packing component and the weighing component are respectively arranged above and below the stander 14; the tobacco weighing barrel 11 is arranged in the middle of the stander 14 above the weighing component; and the operating component is arranged on the side of the stander 14. The tobacco weighing and packing machine has the characteristics of high weighing precision, long service life, high efficiency and the like and can be used for weighing and packing tobaccos and weighing and packing other leaf-type substances or other compressible substances.

The invention discloses a wood floor veneering machine. The wood floor veneering machine structurally comprises a flatten shell removing device, a control panel, a main body, supporting legs, supporting rods and a conveying frame, wherein the flatten shell removing device is electrically connected with the control panel through a wire, the back face of the control panel is nested on the main body,and the inner surface of the main body is attached to the outer surface of the conveying frame in a fit mode; the back faces of the supporting legs are connected with the front ends of the supportingrods in a welded mode, the supporting rods are parallel to the conveying frame, and the lower part of the conveying frame is connected with the upper ends of the supporting legs in a welded mode. According to the machine, the flatten shell removing device comprises a voltage rotating device, a chip removing mechanism, a linkage device, a shell discharging device, a pressing and flattening mechanism, a fixed-point reciprocating device and a veneering temperature-increasing device, so that the surface of a wood floor is enabled to be subjected to chip removing before veneering is carried out, and the flatness of the surface of the wood floor is improved; and formaldehyde contained in the wood floor can be dissipated in an accelerated mode while the veneering is carried out, the waiting forthe later period engineering is avoided, the working time is greatly shortened, and workers are prevented from being in contact with the formaldehyde for a long time.

The invention discloses an ignition and combustion device for a natural gas reforming hydrogen generator. The ignition and combustion device comprises an outer cylinder body with a sealed top end, wherein a stable combustion sheet covers the position of the opening of the bottom end of the outer cylinder body in a sealed manner; the bottom end of a combustion outer tube penetrates through a firstthrough hole located at the central part of the top end of the outer cylinder body in a sealed manner and is in sealed connection with the through hole located at the central part of the stable combustion sheet; an ignition electrode ceramic tube with an ignition electrode wire is connected with an ignition rod to constitute an integral ignition rod; the upper part of the ignition rod is fixedly provided with a locking nut; the top part of the combustion outer tube is provided with a threaded section matching with the locking nut; the ignition rod extends into the tube chamber of the combustion outer tube and is fixedly arranged in the tube chamber of the combustion outer tube through threaded engagement of the locking nut with the threaded section; a first mixed gas inlet is arranged on the wall of the combustion outer tube located outside of the outer cylinder body; a second mixed gas inlet is arranged on the outer cylinder body; a mixed gas channel communicating with the second mixed gas inlet is also arranged in the outer cylinder body; and a plurality of jet holes are arranged on the stable combustion sheet. The device provided by the invention has the advantages of high safety performance, long service life and high combustion efficiency.

The invention discloses a tangible liquid crystal screen of an energy storage inverter. The tangible liquid crystal screen comprises a box body and a display screen, the display screen is arranged inthe box body, the box body is provided with a sliding device, the sliding device is rotatably provided with a moving device in a sleeved manner, the moving device comprises a screw rod, a slide bar, aconnection bar, a support plate, a cover plate and an installation base, the screw rod is threadingly connected with the slide bar, an outer wall of the slide bar is fixedly provided with the connection bar, the other end of the connection bar is rotatably arranged on the support plate in a sleeved manner, and the support plate is rotatably arranged on an outer wall of the cover plate in a sleeved manner. In this way, the operation of the display screen can be facilitated during switch-on, the display is prevented from making contact with the exterior in a long time during switch-off, false touch by other personnel is avoided, the damage to a machine is avoided, the usage cost is reduced, the installation of the display is facilitated, the installation efficiency and the installation effect are improved, the damage rate during installation of the display is reduced, the operation is simple, the practicality is high, and the promotion and the application are facilitated.